/*
 * Tencent is pleased to support the open source community by making BK-CI 蓝鲸持续集成平台 available.
 *
 * Copyright (C) 2022 Tencent.  All rights reserved.
 *
 * BK-CI 蓝鲸持续集成平台 is licensed under the MIT license.
 *
 * A copy of the MIT License is included in this file.
 *
 *
 * Terms of the MIT License:
 * ---------------------------------------------------
 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated
 * documentation files (the "Software"), to deal in the Software without restriction, including without limitation the
 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all copies or substantial portions of
 * the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT
 * LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
 * NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */

package com.tencent.bkrepo.replication.replica.base.interceptor.progress

import com.tencent.bkrepo.replication.pojo.task.ReplicaTaskInfo
import com.tencent.bkrepo.replication.replica.base.process.ProgressListener
import okhttp3.MediaType
import okhttp3.RequestBody
import okio.Buffer
import okio.BufferedSink
import okio.ForwardingSink
import okio.Sink
import okio.buffer

internal class ProgressRequestBody(
    private val delegate: RequestBody,
    private val listener: ProgressListener,
    private val task: ReplicaTaskInfo,
    private val sha256: String
) : RequestBody() {

    override fun contentType(): MediaType? = delegate.contentType()
    override fun contentLength(): Long = delegate.contentLength()

    override fun writeTo(sink: BufferedSink) {
        val countingSink = CountingSink(sink)
        val bufferedSink: BufferedSink = countingSink.buffer()
        delegate.writeTo(bufferedSink)
        bufferedSink.flush()
    }

    inner class CountingSink(delegate: Sink) : ForwardingSink(delegate) {
        override fun write(source: Buffer, byteCount: Long) {
            super.write(source, byteCount)
            listener.onProgress(task, sha256, byteCount)
        }
    }
}
